1 # RUN: llc -mtriple arm-gnueabihf -mattr=+vfp4 -run-pass=instruction-select -o - %s | FileCheck %s 2 --- | 3 declare double @llvm.fma.f64(double, double, double) #0 4 5 define double @vfnmsd(double %x, double %y, double %z) #1 { 6 %minus.y = fsub double -0.000000e+00, %y 7 %fma = tail call double @llvm.fma.f64(double %x, double %minus.y, double %z) 8 %minus.fma = fsub double -0.000000e+00, %fma 9 ret double %minus.fma 10 } 11 12 ; Function Attrs: nounwind 13 declare void @llvm.stackprotector(i8*, i8**) #2 14 15 attributes #0 = { nounwind readnone speculatable "target-features"="+vfp4" } 16 attributes #1 = { "target-features"="+vfp4" } 17 attributes #2 = { nounwind } 18 19 ... 20 --- 21 name: vfnmsd 22 legalized: true 23 regBankSelected: true 24 selected: false 25 body: | 26 bb.1 (%ir-block.0): 27 liveins: $d0, $d1, $d2 28 29 %0:fprb(s64) = COPY $d0 30 %1:fprb(s64) = COPY $d1 31 %2:fprb(s64) = COPY $d2 32 %3:fprb(s64) = G_FNEG %1 33 %4:fprb(s64) = G_FMA %0, %3, %2 34 %5:fprb(s64) = G_FNEG %4 35 $d0 = COPY %5(s64) 36 MOVPCLR 14, $noreg, implicit $d0 37 38 # CHECK: %{{[0-9]+}}:dpr = VFNMSD %{{[0-9]+}}, %{{[0-9]+}}, %{{[0-9]+}}, 14, $noreg 39 40 ... 41
